<template>
        <el-container class="home-container">
            <!-- 头部 -->
            <el-header>
                <div>
                    <img src="../assets/images/leslie.jpg" alt="">
                    <span>电商后台管理平台</span>
                </div>
                <el-button type="info" @click="logout">退出</el-button>
            </el-header>
            <el-container>
                <!-- 侧边栏 -->
              <el-aside :width="isCollapse ? '64px' : '200px'">
                  <div class="toggle-button" @click="toggleCollapse">||||</div>
                  <el-menu
                      background-color="#333744"
                      text-color="#fff"
                      active-text-color="#409EFF"
                      unique-opened
                      :collapse="isCollapse"
                      :collapse-transition="false"
                      router
                      :default-active="activePath">
                      <!-- 一级菜单 -->
                      <el-submenu :index="item.id + ' '" v-for="item in menulist" :key="item.id">
                          <!-- 一级菜单模板区域 -->
                        <template slot="title">
                            <!-- 图标 -->
                          <i :class="iconObj[item.id]"></i>
                          <!-- 文本 -->
                          <span>{{item.authName}}</span>
                        </template>
                        <!-- 二级菜单 -->
                        <el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/' + subItem.path)">
                          <template slot="title">
                            <!-- 图标 -->
                          <i class="el-icon-menu"></i>
                          <!-- 文本 -->
                          <span>{{subItem.authName}}</span>
                        </template>
                        </el-menu-item>
                      </el-submenu>
                    </el-menu>
              </el-aside>
              <el-main>
                  <router-view></router-view>
              </el-main>
            </el-container>
        </el-container>
</template>

<script>
export default {
    data() {
        return {
            menulist: [],
            iconObj: {
                '125': 'iconfont icon-user',
                '103': 'iconfont icon-tijikongjian',
                '101': 'iconfont icon-shangpin',
                '102': 'iconfont icon-danju',
                '145': 'iconfont icon-baobiao' 

            },
            isCollapse: false,
            activePath: ''
        }
    },
    created() {
        this.getMenuList(),
        this.activePath = window.sessionStorage.getItem('activePath')
    },
    methods:{
        logout() {
            window.sessionStorage.clear()
            this.$router.push('/login')
        },
        // 
        async getMenuList() {
           const { data : res} = await this.$http.get('menus')
           if(res.meta.status !== 200) return this.$message.error(res.meta.msg)
           this.menulist = res.data
        },
        // 点击按妞折叠展开侧边栏
        toggleCollapse() {
            this.isCollapse = !this.isCollapse
        },
        saveNavState(activePath) {
            window.sessionStorage.setItem('activePath',activePath)
            this.activePath = activePath
        }
    }
}
</script>


<style lang="less">
.home-container {
    height: 100%;
}
.el-header {
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    font-size: 20px;
    > div {
        display: flex;
        align-items: center;
        span{
            margin-left: 15px;
        }
        img{
            height: 55px;
            width: 55px;
        }
    }
}

.el-aside{
    background-color: #333744;
    .el-menu {
        border-right: none;

    }
}
.el-main {
    background-color: #eaedf1;
}
.iconfont {
    margin-right: 10px;
}
.toggle-button {
    background-color: #4a5064;
    font-size: 10px;
    line-height: 24px;
    text-align: center;
    color: #fff;
    letter-spacing: 0.1em;
    cursor: pointer;
}
</style>